Rave Gears and Machining
Raycar Gear & Machine Co.
Regal Products, Inc.
Reishauer
Robust Gear & Manufacturing
Rochester Gear, Inc.
Roders Tec
Rolling Motion Industries
Romax Technology, Inc.
Roto-Tech Inc.
Royal Purple Synthetic Oil
Rubicon Gear
Russell, Holbrook & Henderson, Inc.
Sandvik Coromant U.S.
Schaefer Technologies Inc
Schunk
Schutte USA
Scot Forge
Screening Eagle Technologies
SECO/VACUUM Technologies LLC
SECO/WARWICK Corp.
SETCO Precision Solutions
Sinto America
SMS Elotherm North America LLC
SMT
Society of Manufacturing Engineeres (SME)
Software Engineering Service
Solar Atmospheres
Solar Manufacturing
Southern Gear & Machine, Inc.
Specialty Steel Treating Inc.
St. Louis Gear Company, Inc.
Standard Steel Specialty Co.
Star SU LLC
STD Precision Gear & Instrument, Inc.
Steward Machine Co.